{
  "$type": "site.standard.document",
  "description": "A motor drive apparatus includes a converter; an inverter for drive; a power storage device configured to supply DC power to a direct current link or to store DC power from the direct current link; a power consumption estimation unit configured to acquire a power consumption estimation value which…",
  "path": "/patents/1275721",
  "publishedAt": "2020-10-29T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02P5/74",
    "FANUC CORPORATION"
  ],
  "textContent": "A motor drive apparatus includes a converter; an inverter for drive; a power storage device configured to supply DC power to a direct current link or to store DC power from the direct current link; a power consumption estimation unit configured to acquire a power consumption estimation value which is an estimation value of a total power consumption at a time point later, by a predetermined time, than a value at a present time point, the total power consumption being obtained as a sum of an output of the servomotor for drive, a winding loss in the servomotor for drive, a loss in the converter and a loss in the inverter for drive; and a power storage device control unit configured to control power supply and power storage of the power storage device in accordance with the power consumption estimation value.",
  "title": "MOTOR DRIVE APPARATUS INCLUDING POWER STORAGE DEVICE"
}